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HDL-4 — JACK,LEVELING-SUPPORT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

HDL-4: JACK,LEVELING-SUPPORT.

The JACK,LEVELING-SUPPORT is a the manufacturer industrial component. Key specifications include end_item_identification: C-17A ACFT A, part_name_assigned_by_controlling_agency: HANDLE,BOW. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-136-2690, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
HDL-4
NSN: 5340-00-136-2690
NIINs: 001362690, 010400258, 014454378
FSC: 5340 — Hardware, Commercial
CAGE: 94867 — CHURCHILL CORPORATION DBA CHURCHILL CORP (USA)
SPECIFICATIONS
end_item_identificationC-17A ACFT A
part_name_assigned_by_controlling_agencyHANDLE,BOW
NSN5340-00-136-2690
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HDL-4 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYHANDLE,BOW
END ITEM IDENTIFICATIONC-17A ACFT A
SUBSTITUTES & CROSS-REFERENCES 1
4990085-3Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HDL-4?
HDL-4 is a JACK,LEVELING-SUPPORT.
What parts can replace HDL-4?
There is 1 known substitute for HDL-4: 4990085-3. Substitute compatibility should be verified for your specific system.
What is the NSN for HDL-4?
HDL-4 is cataloged in the U.S. Government catalog under NSN 5340-00-136-2690. This indicates validated use in U.S. government and defense supply chains.
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